Home / 18,486.37-27,726.48-5,335.21

Finding the Fourth Proportional to 18,486.37, 27,726.48 and 5,335.21

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Solution

The fourth proportional to 18,486.37, 27,726.48 and 5,335.21 is: 8,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.37 : 27,726.48 = 5,335.21 : x
  2. Step 2: Convert to fraction form
    18,486.37/27,726.48 = 5,335.21/x
  3. Step 3: Cross multiply
    18,486.37x = 27,726.48 × 5,335.21
  4. Step 4: Simplify right side
    18,486.37x = 147,926,593.36
  5. Step 5: Solve for x
    x = 147,926,593.36/18,486.37
  6. Step 6: Final answer
    x = 8,001.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.